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Finding the Fourth Proportional to 114,098.52, 171,188.34 and 50,912.90

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Solution

The fourth proportional to 114,098.52, 171,188.34 and 50,912.90 is: 76,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,098.52 : 171,188.34 = 50,912.90 : x
  2. Step 2: Convert to fraction form
    114,098.52/171,188.34 = 50,912.90/x
  3. Step 3: Cross multiply
    114,098.52x = 171,188.34 × 50,912.90
  4. Step 4: Simplify right side
    114,098.52x = 8,715,695,393.61
  5. Step 5: Solve for x
    x = 8,715,695,393.61/114,098.52
  6. Step 6: Final answer
    x = 76,387.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.